Arctic King Excessive Frost Accumulation

Frost or ice buildup on the interior back wall or around the evaporator cover.

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

Possible Causes

Door not sealing properly, Defrost system failure, Frequent door openings in humid environment

Safety: Unplug the unit before defrosting.

Steps:

Manual defrost: Remove all bottles, unplug the cooler, and leave the door open until all ice melts. Place towels to catch water.
Check door seal: Inspect and replace the door gasket if it is damaged or not sealing.
Inspect defrost system: If frost returns quickly, test the defrost sensor and, if equipped, the defrost heater and control board as described in the E4 section.
Reduce humidity load: Avoid leaving the door open for long periods, especially in humid climates.

Medium 3/5

Defrost Sensor

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